EP1470291A4 - Enhancing brightness and brightness stability of paper containing mechanical pulp - Google Patents
Enhancing brightness and brightness stability of paper containing mechanical pulpInfo
- Publication number
- EP1470291A4 EP1470291A4 EP03703902A EP03703902A EP1470291A4 EP 1470291 A4 EP1470291 A4 EP 1470291A4 EP 03703902 A EP03703902 A EP 03703902A EP 03703902 A EP03703902 A EP 03703902A EP 1470291 A4 EP1470291 A4 EP 1470291A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- brightness
- mechanical pulp
- paper containing
- enhancing
- stability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/08—Mechanical or thermomechanical pulp
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/066,271 US6527914B1 (en) | 2002-01-30 | 2002-01-30 | Method of enhancing brightness and brightness stability of paper made with mechanical pulp |
US66271 | 2002-01-30 | ||
PCT/US2003/001629 WO2003064765A1 (en) | 2002-01-30 | 2003-01-17 | Enhancing brightness and brightness stability of paper containing mechanical pulp |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1470291A1 EP1470291A1 (en) | 2004-10-27 |
EP1470291A4 true EP1470291A4 (en) | 2005-04-20 |
EP1470291B1 EP1470291B1 (en) | 2006-03-29 |
Family
ID=22068422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03703902A Expired - Lifetime EP1470291B1 (en) | 2002-01-30 | 2003-01-17 | Enhancing brightness and brightness stability of paper containing mechanical pulp |
Country Status (8)
Country | Link |
---|---|
US (1) | US6527914B1 (en) |
EP (1) | EP1470291B1 (en) |
AU (1) | AU2003205232B2 (en) |
BR (1) | BR0307223A (en) |
CA (1) | CA2474713C (en) |
ES (1) | ES2261916T3 (en) |
MY (1) | MY131940A (en) |
WO (1) | WO2003064765A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030121630A1 (en) * | 2000-04-19 | 2003-07-03 | Zhirun Yuan | Inhibition of yellowing in papers |
FI109550B (en) * | 2001-05-23 | 2002-08-30 | Upm Kymmene Corp | Coated printing paper such as machine finished coated printing paper, comprises specific amount of mechanical pulp, and has specific opacity, brightness and surface roughness |
BRPI0417599A (en) * | 2003-12-15 | 2007-03-20 | Shell Int Research | process for liquefaction of lignocellulosic or cellulosic material |
GB0413068D0 (en) * | 2004-06-11 | 2004-07-14 | Imerys Minerals Ltd | Treatment of pulp |
EP1828095B1 (en) * | 2004-12-23 | 2011-10-05 | Shell Internationale Research Maatschappij B.V. | A process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group |
US20060229393A1 (en) * | 2005-04-08 | 2006-10-12 | Prasad Duggirala | Compositions and methods for enhancing brightness and brightness stabilization in papermaking |
US8246780B2 (en) * | 2005-09-19 | 2012-08-21 | Nalco Company | Methods for enhancing brightness and resistance to thermal yellowing of bleached kraft pulp and paper |
US20070034345A1 (en) * | 2005-06-15 | 2007-02-15 | Leonardus Petrus | Process for organosolv pulping and use of a gamma lactone in a solvent for organosolv pulping |
US7967948B2 (en) * | 2006-06-02 | 2011-06-28 | International Paper Company | Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents |
US20080105392A1 (en) * | 2006-11-03 | 2008-05-08 | Duggirala Prasad Y | Method and composition for improving fiber quality and process efficiency in mechanical pulping |
US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
CN101913712B (en) * | 2009-07-22 | 2011-10-05 | 乌鲁木齐市科发展精细化工有限公司 | Low-phosphorous environment-friendly scale inhibitor adapting to 'three-high' water quality and preparation thereof |
US8580978B2 (en) * | 2009-08-07 | 2013-11-12 | Shell Oil Company | Process for preparing a hydroxyacid or hydroxyester |
US20110112326A1 (en) * | 2009-08-07 | 2011-05-12 | Jean-Paul Lange | Process for hydrogenation |
CN102277786A (en) * | 2010-06-09 | 2011-12-14 | 中国制浆造纸研究院 | Preparation method for double-sided gummed paper or electrostatic copy paper |
US11639464B2 (en) * | 2018-12-07 | 2023-05-02 | Halliburton Energy Services, Inc. | Controlling the formation of polymer-metal complexes in wellbore operations |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE468054B (en) * | 1990-12-03 | 1992-10-26 | Mo Och Domsjoe Ab | PAPER AND PROCEDURES FOR PREPARING PAPER |
FI94973C (en) * | 1994-04-20 | 1995-11-27 | Keskuslaboratorio | Ways of counteracting yellowing of lignocellulosic products |
CA2169448A1 (en) | 1994-06-20 | 1995-12-28 | Microwave Chemistry Corporation | Dithio-containing anti-yellowing agents for pulp and paper |
US6030495A (en) | 1994-07-25 | 2000-02-29 | Queens's University At Kingston | Method for increasing brightness in pulp paper and polymeric materials |
US5928473A (en) * | 1997-01-15 | 1999-07-27 | University Of Ottawa | Inhibition of photo-yellowing in paper |
US6447644B1 (en) * | 1997-07-23 | 2002-09-10 | Ciba Specialty Chemicals Corporation | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives |
CN100379724C (en) | 1997-07-23 | 2008-04-09 | 西巴特殊化学品控股有限公司 | Inhibition of pulp and paper yellowing using nitroxides and other coadditives |
US6059927A (en) | 1997-09-23 | 2000-05-09 | Queen's University At Kingston | Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps |
TWI224995B (en) | 1998-03-19 | 2004-12-11 | Ciba Sc Holding Ag | Stabilization of wood substrates |
-
2002
- 2002-01-30 US US10/066,271 patent/US6527914B1/en not_active Expired - Lifetime
-
2003
- 2003-01-17 CA CA2474713A patent/CA2474713C/en not_active Expired - Lifetime
- 2003-01-17 BR BR0307223-1A patent/BR0307223A/en not_active IP Right Cessation
- 2003-01-17 WO PCT/US2003/001629 patent/WO2003064765A1/en not_active Application Discontinuation
- 2003-01-17 EP EP03703902A patent/EP1470291B1/en not_active Expired - Lifetime
- 2003-01-17 ES ES03703902T patent/ES2261916T3/en not_active Expired - Lifetime
- 2003-01-17 AU AU2003205232A patent/AU2003205232B2/en not_active Ceased
- 2003-01-28 MY MYPI20030272A patent/MY131940A/en unknown
Non-Patent Citations (1)
Title |
---|
No further relevant documents disclosed * |
Also Published As
Publication number | Publication date |
---|---|
AU2003205232B2 (en) | 2007-09-13 |
EP1470291B1 (en) | 2006-03-29 |
MY131940A (en) | 2007-09-28 |
WO2003064765A1 (en) | 2003-08-07 |
ES2261916T3 (en) | 2006-11-16 |
BR0307223A (en) | 2004-12-07 |
CA2474713A1 (en) | 2003-08-07 |
EP1470291A1 (en) | 2004-10-27 |
US6527914B1 (en) | 2003-03-04 |
CA2474713C (en) | 2012-01-03 |
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